1918.] FIELD NOTES ON ERICACEAE OF THE TAHOE REGION 67 



2. Pyrola secunda. A small plant forming colonies in situations 

 not unlike those of No. 1, but a little more in the open. Corolla 

 greenish- white, blooming in July. Found on the trail between the 

 Lake and the Ramparts, and along the upper course of Squaw 

 Creek. 



3. Pyrola minor. In moist places. Plant smaller throughout than 

 P. secunda; corolla greenish-white. In bud August 5th. Found in one 

 place only, on the shores of the Five Lakes. 



4. Pyrola picta. Dry woods. Easily known by its dark-green 

 basal leaves with white veins. Flower-stalk about six inches high. 

 Flowers pale, sometimes tinged with red, blooming in early August. 

 In woods about the Tavern, and on the trail as far as Deer Park 

 station. 



5. Pyrola pallida. Often found growing with P. picta, and like 

 it in appearance, save that it is pale throughout, and its leaves lack 

 the white veining. It blooms late in July. 



6. Chimaphila umbellata. Here and there in dry woods, often 

 associated with Nos. 4 and 5. A beautiful plant about five inches 

 high. Corolla pale pink, waxy, and very fragrant. Late July. 



7. Chimaphila menziesii. In dry woods, forming colonies. A bit 

 larger than C. umbellata, with which it is often associated. Corolla 

 deep pink, waxy, and not fragrant. Blooms in early August. There 

 is a fine bed of it on the trail between the Ramparts and Lake Tahoe. 



8. Sar codes sanguinea. Snow-plant. A saprophyte with thick 

 fleshy stem, bright red throughout. Found in great abundance dur- 

 ing the first half of July on the trail from the Lake to Deer Park 

 and on the ridge above. 



9. Pterospora andromeda. Pine Drops. A saprophyte with naked 

 reddish-brown stalk, rising from one to four feet high among low 

 underbrush. In late July. Here and there between the Lake and Mat 

 Green 's. 



10. Pleuricospora fimbriolata. In dry woods. Has a thick stem 

 about six inches high, bearing a dense cluster of flowers. A sapro- 

 phyte ; whitish throughout. Two specimens only were found bloom- 

 ing in July on the ridge above the trail between Deer Park and the 

 Lake. 



11. Kalmia polifolia var. microphylla. Pale American Laurel. 

 In swampy ground. A shrub about six inches high, poisonous to cat- 

 tle. Corolla lavender, very attractive. In bloom on the north side of 

 Squaw Meadow early in July. 



12. Ledum glandulosum. Labrador Tea. In moist or swampy 

 ground. A shrub about four feet high, with showy clusters of white 



